Finding the Fourth Proportional to 485,128.24, 727,770.12 and 204,686.80
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Solution
The fourth proportional to 485,128.24, 727,770.12 and 204,686.80 is: 307,063.01
Step by Step Solution
- Step 1: Write the proportion equation
485,128.24 : 727,770.12 = 204,686.80 : x - Step 2: Convert to fraction form
485,128.24/727,770.12 = 204,686.80/x - Step 3: Cross multiply
485,128.24x = 727,770.12 × 204,686.80 - Step 4: Simplify right side
485,128.24x = 148,964,936,998.42 - Step 5: Solve for x
x = 148,964,936,998.42/485,128.24 - Step 6: Final answer
x = 307,063.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.